{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T14:42:50Z","timestamp":1780324970055,"version":"3.54.1"},"reference-count":31,"publisher":"SAGE Publications","issue":"10-11","license":[{"start":{"date-parts":[[2023,8,30]],"date-time":"2023-08-30T00:00:00Z","timestamp":1693353600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/100006108","name":"National Center for Advancing Translational Sciences","doi-asserted-by":"publisher","award":["UL1 TR002243"],"award-info":[{"award-number":["UL1 TR002243"]}],"id":[{"id":"10.13039\/100006108","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Int J Artif Organs"],"published-print":{"date-parts":[[2023,10]]},"abstract":"<jats:p>\n                    More than 50% of heart failure (HF) patients require diuretic therapy after left ventricular assist device (LVAD). Although few data related to diuretic response (DR) exist in stage D patients, tubular sodium reabsorption may be clinically prognostic independent of estimated glomerular filtration rate (eGFR) and proteinuria within this cohort. We aimed to characterize DR serially before and after LVAD implantation in a stage D population. We conducted a prospective, observational cohort study of HF patients receiving diuretics with plans to undergo LVAD implantation. We measured urine sodium (U\n                    <jats:sub>Na<\/jats:sub>\n                    ) and creatinine (U\n                    <jats:sub>Cr<\/jats:sub>\n                    ) at three points after diuretic therapy: pre-LVAD, post-LVAD prior to discharge, and as an outpatient. Prior to LVAD, patients ( N\u2009=\u200919) had an average eGFR of 54.0\u2009\u00b1\u200918.0\u2009mL\/min\/1.73\u2009m\n                    <jats:sup>2<\/jats:sup>\n                    , spot U\n                    <jats:sub>Na<\/jats:sub>\n                    of 74.8\u2009\u00b1\u200928.0\u2009mmol\/L, and fractional excretion of sodium (FE\n                    <jats:sub>Na<\/jats:sub>\n                    ) of 3.1\u2009\u00b1\u20092.7%. Pre-LVAD, eGFR did not correlate with spot U\n                    <jats:sub>Na<\/jats:sub>\n                    nor FE\n                    <jats:sub>Na<\/jats:sub>\n                    ( p\u2009&gt;\u20090.05 for both). LVAD implantation did not improve DR post-LVAD (mean change FE\n                    <jats:sub>Na<\/jats:sub>\n                    per 40\u2009mg IV furosemide 0.5\u2009\u00b1\u20091.0%; p\u2009=\u20090.84), and 90% of patients required loop diuretics at 90\u2009days post-surgery. Improved hemodynamics following LVAD may not improve DR or tubular function; larger studies are needed to confirm our results and assess the utility of DR to predict post-LVAD outcomes.\n                  <\/jats:p>","DOI":"10.1177\/03913988231193446","type":"journal-article","created":{"date-parts":[[2023,8,30]],"date-time":"2023-08-30T08:22:27Z","timestamp":1693383747000},"page":"555-561","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["Serial evaluation of loop diuretic efficiency following left ventricular assist device implantation"],"prefix":"10.1177","volume":"46","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9876-2641","authenticated-orcid":false,"given":"Sarah M","family":"Beargie","sequence":"first","affiliation":[{"name":"Department of Pharmacy, Massachusetts General Hospital, Boston, MA, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lindsey","family":"Tolbert","sequence":"additional","affiliation":[{"name":"Department of Pharmacy, Vanderbilt University Medical Center, Nashville, TN, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert K","family":"Tunney","sequence":"additional","affiliation":[{"name":"Department of Pharmacy, Vanderbilt University Medical Center, Nashville, TN, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zachary L","family":"Cox","sequence":"additional","affiliation":[{"name":"Department of Pharmacy, Vanderbilt University Medical Center, Nashville, TN, USA"},{"name":"Lipscomb University College of Pharmacy, Nashville, TN, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wu","family":"Gong","sequence":"additional","affiliation":[{"name":"Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sandip","family":"Zalawadiya","sequence":"additional","affiliation":[{"name":"Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, TN, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2023,8,30]]},"reference":[{"key":"bibr1-03913988231193446","doi-asserted-by":"publisher","DOI":"10.1016\/j.jacc.2012.09.055"},{"key":"bibr2-03913988231193446","doi-asserted-by":"publisher","DOI":"10.1016\/j.jchf.2016.09.006"},{"key":"bibr3-03913988231193446","doi-asserted-by":"publisher","DOI":"10.1161\/JAHA.117.008316"},{"key":"bibr4-03913988231193446","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCHEARTFAILURE.115.002897"},{"key":"bibr5-03913988231193446","doi-asserted-by":"publisher","DOI":"10.1016\/j.jchf.2016.07.014"},{"key":"bibr6-03913988231193446","doi-asserted-by":"publisher","DOI":"10.2215\/CJN.04670417"},{"key":"bibr7-03913988231193446","doi-asserted-by":"publisher","DOI":"10.1097\/MAT.0000000000000565"},{"key":"bibr8-03913988231193446","doi-asserted-by":"publisher","DOI":"10.1016\/j.healun.2013.09.001"},{"key":"bibr9-03913988231193446","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCHEARTFAILURE.113.000895"},{"key":"bibr10-03913988231193446","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCHEARTFAILURE.115.002845"},{"key":"bibr11-03913988231193446","doi-asserted-by":"publisher","DOI":"10.1093\/eurheartj\/ehu065"},{"key":"bibr12-03913988231193446","doi-asserted-by":"publisher","DOI":"10.1016\/j.ahj.2015.05.003"},{"key":"bibr13-03913988231193446","doi-asserted-by":"publisher","DOI":"10.1002\/ejhf.170"},{"key":"bibr14-03913988231193446","doi-asserted-by":"publisher","DOI":"10.1002\/ejhf.1369"},{"key":"bibr15-03913988231193446","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCHEARTFAILURE.115.002370"},{"key":"bibr16-03913988231193446","doi-asserted-by":"publisher","DOI":"10.1016\/j.jacc.2007.08.072"},{"key":"bibr17-03913988231193446","doi-asserted-by":"publisher","DOI":"10.1016\/j.jchf.2019.01.007"},{"key":"bibr18-03913988231193446","doi-asserted-by":"publisher","DOI":"10.1016\/j.cardfail.2014.05.007"},{"key":"bibr19-03913988231193446","doi-asserted-by":"publisher","DOI":"10.1016\/j.jbi.2008.08.010"},{"key":"bibr20-03913988231193446","doi-asserted-by":"publisher","DOI":"10.1016\/j.jbi.2019.103208"},{"key":"bibr21-03913988231193446","doi-asserted-by":"publisher","DOI":"10.1016\/j.jacc.2020.12.022"},{"key":"bibr22-03913988231193446","unstructured":"Testani JM. 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